I graduated from college twenty years ago and I as an English teacher in this middle school ever since.
A. worked
B. have been working
C. had worked
D. was working
网友回答
A. worked
(答案→)B. have been working
C. had worked
D. was working
解析:考查时态:句意:20年前我从大学毕业,自从那时起,我就在这个中学做英语老师。可知做英语老师是自从我从大学毕业到现在,用现在完成进行时。选B。